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converting oil burner to gas
I have just purchased a house with an oil burning steam heat system. The boiler is a 3 year old Burnham (don't have the model # with me) that is marked with 82% efficiency.
I want to convert to gas and am getting a different story from every person who gives me an estimate with regard to replacing the boiler or going with a conversion kit.
I know that I will lose some efficiency if I convert the existing boiler to gas, but how do I estimate how much? I had one guy say 2% and another tell me I would be spending triple on gas.